document.write( "Question 1173311: Length of rectangle is 12 inches and its perimeter is6 times its length what isits width \n" ); document.write( "

Algebra.Com's Answer #798518 by math_helper(2461) $\"\"$ $\"About$

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document.write( "P = 2L + 2W\r
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document.write( "You are given L=12in and P=6L:\r
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document.write( "6L = 2L + 2W
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document.write( "4L = 2W
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document.write( "4*12 = 2W\r
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document.write( "W = 24in   \r
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document.write( "Check (calculate Perimeter both ways):\r
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document.write( "P = 2L + 2W = 2*12 + 2*24 = 24 + 48 = 72
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document.write( "P = 6L = 6*12 = 72  (ok) \n" );
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